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https://github.com/NixOS/nix.git
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e4f62e4608
* It is tough to contribute to a project that doesn't use a formatter, * It is extra hard to contribute to a project which has configured the formatter, but ignores it for some files * Code formatting makes it harder to hide obscure / weird bugs by accident or on purpose, Let's rip the bandaid off? Note that PRs currently in flight should be able to be merged relatively easily by applying `clang-format` to their tip prior to merge.
124 lines
4.1 KiB
C++
124 lines
4.1 KiB
C++
#include "nix/cmd/built-path.hh"
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#include "nix/store/derivations.hh"
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#include "nix/store/store-api.hh"
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#include "nix/util/comparator.hh"
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#include <nlohmann/json.hpp>
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#include <optional>
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namespace nix {
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// Custom implementation to avoid `ref` ptr equality
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GENERATE_CMP_EXT(, std::strong_ordering, SingleBuiltPathBuilt, *me->drvPath, me->output);
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// Custom implementation to avoid `ref` ptr equality
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// TODO no `GENERATE_CMP_EXT` because no `std::set::operator<=>` on
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// Darwin, per header.
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GENERATE_EQUAL(, BuiltPathBuilt ::, BuiltPathBuilt, *me->drvPath, me->outputs);
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StorePath SingleBuiltPath::outPath() const
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{
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return std::visit(
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overloaded{
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[](const SingleBuiltPath::Opaque & p) { return p.path; },
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[](const SingleBuiltPath::Built & b) { return b.output.second; },
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},
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raw());
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}
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StorePathSet BuiltPath::outPaths() const
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{
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return std::visit(
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overloaded{
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[](const BuiltPath::Opaque & p) { return StorePathSet{p.path}; },
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[](const BuiltPath::Built & b) {
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StorePathSet res;
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for (auto & [_, path] : b.outputs)
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res.insert(path);
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return res;
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},
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},
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raw());
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}
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SingleDerivedPath::Built SingleBuiltPath::Built::discardOutputPath() const
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{
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return SingleDerivedPath::Built{
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.drvPath = make_ref<SingleDerivedPath>(drvPath->discardOutputPath()),
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.output = output.first,
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};
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}
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SingleDerivedPath SingleBuiltPath::discardOutputPath() const
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{
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return std::visit(
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overloaded{
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[](const SingleBuiltPath::Opaque & p) -> SingleDerivedPath { return p; },
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[](const SingleBuiltPath::Built & b) -> SingleDerivedPath { return b.discardOutputPath(); },
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},
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raw());
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}
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nlohmann::json BuiltPath::Built::toJSON(const StoreDirConfig & store) const
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{
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nlohmann::json res;
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res["drvPath"] = drvPath->toJSON(store);
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for (const auto & [outputName, outputPath] : outputs) {
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res["outputs"][outputName] = store.printStorePath(outputPath);
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}
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return res;
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}
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nlohmann::json SingleBuiltPath::Built::toJSON(const StoreDirConfig & store) const
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{
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nlohmann::json res;
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res["drvPath"] = drvPath->toJSON(store);
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auto & [outputName, outputPath] = output;
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res["output"] = outputName;
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res["outputPath"] = store.printStorePath(outputPath);
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return res;
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}
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nlohmann::json SingleBuiltPath::toJSON(const StoreDirConfig & store) const
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{
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return std::visit([&](const auto & buildable) { return buildable.toJSON(store); }, raw());
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}
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nlohmann::json BuiltPath::toJSON(const StoreDirConfig & store) const
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{
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return std::visit([&](const auto & buildable) { return buildable.toJSON(store); }, raw());
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}
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RealisedPath::Set BuiltPath::toRealisedPaths(Store & store) const
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{
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RealisedPath::Set res;
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std::visit(
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overloaded{
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[&](const BuiltPath::Opaque & p) { res.insert(p.path); },
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[&](const BuiltPath::Built & p) {
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auto drvHashes = staticOutputHashes(store, store.readDerivation(p.drvPath->outPath()));
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for (auto & [outputName, outputPath] : p.outputs) {
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if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations)) {
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auto drvOutput = get(drvHashes, outputName);
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if (!drvOutput)
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throw Error(
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"the derivation '%s' has unrealised output '%s' (derived-path.cc/toRealisedPaths)",
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store.printStorePath(p.drvPath->outPath()),
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outputName);
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auto thisRealisation = store.queryRealisation(DrvOutput{*drvOutput, outputName});
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assert(thisRealisation); // We’ve built it, so we must
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// have the realisation
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res.insert(*thisRealisation);
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} else {
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res.insert(outputPath);
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}
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}
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},
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},
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raw());
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return res;
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}
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} // namespace nix
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